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Bug 461199 (Part 16) - Remove now unused style code testing for Link and HTML Links.

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r=bz
sr=dbaron
This commit is contained in:
Shawn Wilsher 2009-12-15 16:04:15 -08:00
parent 5a72540281
commit 456e4f62d4
2 changed files with 0 additions and 97 deletions
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91
layout/style/nsStyleUtil.cpp
View File

@ -41,7 +41,6 @@
#include "nsStyleConsts.h"
#include "nsGkAtoms.h"
#include "nsILinkHandler.h"
#include "nsIContent.h"
#include "nsIDocument.h"
#include "nsINameSpaceManager.h"
@ -402,96 +401,6 @@ nsStyleUtil::ConstrainFontWeight(PRInt32 aWeight)
return (base + ((negativeStep) ? -step : step));
}
static nsLinkState
GetLinkStateFromURI(nsIURI* aURI, nsIContent* aContent,
nsILinkHandler* aLinkHandler)
{
NS_PRECONDITION(aURI, "Must have URI");
nsLinkState state;
if (NS_LIKELY(aLinkHandler)) {
aLinkHandler->GetLinkState(aURI, state);
}
else {
// no link handler? Try to get one off the content
NS_ASSERTION(aContent->GetOwnerDoc(), "Shouldn't happen");
nsCOMPtr<nsISupports> supp =
aContent->GetOwnerDoc()->GetContainer();
nsCOMPtr<nsILinkHandler> handler = do_QueryInterface(supp);
if (handler) {
handler->GetLinkState(aURI, state);
} else {
// no link handler? then all links are unvisited
state = eLinkState_Unvisited;
}
}
return state;
}
/*static*/
PRBool nsStyleUtil::IsHTMLLink(nsIContent *aContent,
nsILinkHandler *aLinkHandler,
nsLinkState *aState)
{
NS_ASSERTION(aContent->IsHTML(),
"Only use this function with HTML elements");
NS_ASSERTION(aState, "null arg in IsHTMLLink");
nsLinkState linkState = aContent->GetLinkState();
if (linkState == eLinkState_Unknown) {
// if it is an anchor, area or link then check the href attribute
// make sure this anchor has a link even if we are not testing state
// if there is no link, then this anchor is not really a linkpseudo.
// bug=23209
nsCOMPtr<nsIURI> hrefURI = aContent->GetHrefURI();
if (hrefURI) {
linkState = GetLinkStateFromURI(hrefURI, aContent, aLinkHandler);
} else {
linkState = eLinkState_NotLink;
}
if (linkState != eLinkState_NotLink && aContent->IsInDoc()) {
aContent->GetCurrentDoc()->AddStyleRelevantLink(aContent, hrefURI);
}
aContent->SetLinkState(linkState);
}
if (linkState == eLinkState_NotLink) {
return PR_FALSE;
}
*aState = linkState;
return PR_TRUE;
}
/*static*/
PRBool nsStyleUtil::IsLink(nsIContent *aContent,
nsILinkHandler *aLinkHandler,
nsLinkState *aState)
{
// XXX PERF This function will cause serious performance problems on
// pages with lots of XLinks. We should be caching the visited
// state of the XLinks. Where???
NS_ASSERTION(aContent && aState, "invalid call to IsLink with null content");
PRBool rv = PR_FALSE;
if (aContent && aState) {
nsCOMPtr<nsIURI> absURI;
if (aContent->IsLink(getter_AddRefs(absURI))) {
*aState = GetLinkStateFromURI(absURI, aContent, aLinkHandler);
if (aContent->IsInDoc()) {
aContent->GetCurrentDoc()->AddStyleRelevantLink(aContent, absURI);
}
rv = PR_TRUE;
}
}
return rv;
}
// Compare two language strings
PRBool nsStyleUtil::DashMatchCompare(const nsAString& aAttributeValue,
const nsAString& aSelectorValue,

6
layout/style/nsStyleUtil.h
View File

@ -39,7 +39,6 @@
#include "nsCoord.h"
#include "nsPresContext.h"
#include "nsILinkHandler.h" // for nsLinkState
#include "nsCSSProperty.h"
struct nsStyleBackground;
@ -70,11 +69,6 @@ public:
static PRInt32 ConstrainFontWeight(PRInt32 aWeight);
static PRBool IsHTMLLink(nsIContent *aContent, nsILinkHandler *aLinkHandler,
nsLinkState *aState);
static PRBool IsLink(nsIContent *aContent, nsILinkHandler *aLinkHandler,
nsLinkState *aState);
static PRBool DashMatchCompare(const nsAString& aAttributeValue,
const nsAString& aSelectorValue,
const nsStringComparator& aComparator);